This is still the same in jammy. I put a duplicate file in _import and ran the import function from the web interface. It went well and informed me about "3 files (3.6 MiB) left behind".
$ ll -i /var/cache/apt-cacher-ng/_import/dpkg_1.21.1ubuntu1_amd64.deb /var/cache/apt-cacher-ng/uburep/pool/main/d/dpkg/dpkg_1.21.1ubuntu1_amd64.deb 31787 -rw-rw-rw- 1 root root 1254452 Jan 27 11:37 /var/cache/apt-cacher-ng/_import/dpkg_1.21.1ubuntu1_amd64.deb 29355 -rw-r--r-- 1 apt-cacher-ng apt-cacher-ng 1254452 Jan 23 22:05 /var/cache/apt-cacher-ng/uburep/pool/main/d/dpkg/dpkg_1.21.1ubuntu1_amd64.deb $ md5sum /var/cache/apt-cacher-ng/_import/dpkg_1.21.1ubuntu1_amd64.deb /var/cache/apt-cacher-ng/uburep/pool/main/d/dpkg/dpkg_1.21.1ubuntu1_amd64.deb 6f4b706f688d72755142f820f92910f9 /var/cache/apt-cacher-ng/_import/dpkg_1.21.1ubuntu1_amd64.deb 6f4b706f688d72755142f820f92910f9 /var/cache/apt-cacher-ng/uburep/pool/main/d/dpkg/dpkg_1.21.1ubuntu1_amd64.deb I would have expected dpkg_1.21.1ubuntu1_amd64.deb to be removed from _import after the import run. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1589178 Title: RFE: provide a mechanism to delete duplicates after import To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt-cacher-ng/+bug/1589178/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs